Diventures Magazine | English Edition May 2020 | Page 20

DIVING MEDICINE Medical Opinion Dehydration leads to some degree of Dr Adel Taher answered this question in haemo-concentration (in simple terms Issue 7 of “Blue Magazine” in 2010, and thicker blood) as you are taking the fluid he said: “From the medical point of view: from the circulating volume of blood. We always impress on all divers to be This in turn affects the efficiency of the well hydrated during dives especially if blood in acting as a vehicle to transport they are diving in a sub tropical area with nitrogen from the tissues to the lungs. a hot, dry climate such as ours. This is The factors that affect dehydration particularly the case if they are in a mainly are; traveler's diarrhea, which destination marked as a “resort” area. divers tend not to treat for the first three The reasons for that are quite obvious if days or treat wrongly, alcohol intake the you have a look at the statistical data night before, which is quite common in gathered since 1993 at our facility (Sharm resorts and of course not drinking el Sheik Hyperbaric Center). More than enough water. 60 per cent of diving accidents treated When fasting in winter, we gave the were associated one way or another with advice to instructors and dive masters an element of dehydration. who wanted to work and fast to try and drink one and a half liters of water mixed with electrolyte salts just before sunrise and see how they feel throughout the day. Dr Adel Taher DIVENTURES MAGAZINE APRIL 2020